Have Questions?
-
Guaranteed Fitment
Always the correct part
-
In-House Experts
We know our products
-
Added Value
Mounting, Balancing
-
Pneumatic Push-In Air Fitting – Straight Plastic Union 3/8" Tube
This 3/8" pneumatic push-in air fitting (straight union) is designed to securely connect two...
This 3/8" pneumatic push-in air fitting (straight union) is designed to securely connect two air lines in truck and trailer air brake systems. Built for compatibility with nylon air tubing (3/8" OD), it provides a reliable, leak-resistant connection for air brake, suspension, and pneumatic systems.
The push-to-connect design allows for quick installation without tools, making it ideal for both workshop use and on-road repairs. Simply push the tubing into the fitting for a secure hold, and release using the collet when needed.
Key Features
- Straight Union Design: Connects two 3/8" air lines inline
- Push-In Connection: Fast installation with no tools required
- Secure Grip & Seal: Internal locking mechanism ensures leak-free performance
- Material Construction: Durable PBT body with NBR sealing components
- Corrosion Resistant: Suitable for demanding truck and trailer environments
- Reusable Fitting: Easy disconnect and reuse without damaging tubing
Applications
- Truck air brake systems
- Trailer air line connections
- Air suspension systems
- Pneumatic control systems
- Workshop and on-road repairs
Compatibility
- Tube Size: 3/8" OD (outer diameter)
- Suitable for nylon air brake tubing (SAE J844 equivalent)
- Compatible with standard pneumatic air systems
Why Choose a Push-In Union Fitting?
Push-in fittings are widely used in commercial vehicle systems because they provide fast, reliable, and maintenance-friendly connections. Compared to traditional compression fittings, they reduce installation time and allow quick replacement during repairs.
Typical Use Case
This fitting is commonly used when repairing or extending an air line in a truck or trailer. It enables a quick inline connection without requiring specialized tools, helping reduce downtime and simplify maintenance.
Technical Summary
- Type: Pneumatic Push-In Fitting
- Configuration: Straight Union
- Size: 3/8" Tube
- Material: PBT (body), NBR (seal)
- Connection: Push-to-connect
Thank you for shopping with Bulldog Spares, operated by Airfittings Pty Ltd. This Shipping Policy outlines the terms and conditions under which we process, dispatch, and deliver your orders.
Returns Policy
To be eligible for a return:
Your item must be unused, uninstalled, and in the same condition that you received it.
It must be returned in its original packaging (if applicable).
Returns must be initiated within 14 days of receiving your order.
Proof of purchase (order number or receipt) is required.
Note: Items marked as “Final Sale” or customized/special order parts are not eligible for return.
How to Initiate a Return
To initiate a return:
Contact us at [Insert Email Address] with your order number and reason for return.
Our customer service team will review your request and provide a return authorization if applicable.
Send the item(s) back to the address provided, using a trackable shipping service.
Once received and inspected, we will notify you of the approval or rejection of your refund.
Note: Return shipping costs are the responsibility of the customer, unless the return is due to a product defect or shipping error.
Refund
If your return is approved, your refund will be processed using your original method of payment. Please allow: 3–5 business days for inspection after item is received 5–10 business days for the refund to appear on your statement Shipping charges are non-refundable unless the return is due to an error on our part.
Exchange
We only replace items if they are defective or damaged upon arrival. If you need to exchange an item for the same product, contact us at admin@airfittings.com.au within 7 days of receiving your order.
Damaged or Incorrect Items
If you receive a damaged, defective, or incorrect item, please notify us within 48 hours of delivery. We will arrange for a replacement or refund at no extra cost to you. Please include: Photos of the damaged item and packaging Your order number and full name
Contact Us
For all refund, return, or exchange inquiries, please contact
Airfittings Pty Ltd (Bulldog Spares)
Email: admin@airfittings.com.au
Phone: 0493023230
Website: https://bulldogspares.com.au